— What’s the matter with Peter?— He was see

— What’s the matter with Peter?— He was seen crying when he was coming out of the office. He ________ by the manager.A.may be scoldedB.should have been scolded http:/C.must be scoldedD.must have been scolded

D解析must+have+过去分词，表示对过去某事或某中情况的肯定的猜测，只能用于肯定的陈述句。如果对过去否定的猜测，必须用can’t have+过去分词。

就是这个解释